An extension to the inventory more than inspired by Better Weapon Stats GUI.

• You can use SPACE key to switch breakpoints display.
• Headshot bonus is represented by bullseye's icon but it's not linked to this skill.
• HVT bonus differs if you unlocked basic or ace.
• For criticals, the first bullet is always accounted as such. Total amount of crits depends on critical chance.
• Berserker simulates damage done with health level that player gets after being revived.